Chrysler PT Cruiser 2001 Service Manual Supplement page 2007

BRAKES (CAB)
RIGHT REAR SENSOR CIRCUIT FAILURE —
TEST
14 Turn ignition off.
Disconnect the Right Rear Wheel Speed Sensor connector.
Note: Check connector - Clean/repair as necessary.
Turn ignition on.
Using a test light connected to 12 volts, probe the Right Rear Wheel Speed Sensor
Signal Circuit.
Is the test light on?
Yes → Replace the CAB.
→ Go To 15
No
15 Turn ignition off.
Disconnect the CAB Connector.
Note: Check connector - Clean/repair as necessary.
Remove harness strain relief to access wires in CAB connector for backprobing.
Using a voltmeter in Direct Current (DC) mode, and special tool 6801, backprobe the
Right Rear Wheel Speed Sensor Signal Circuit at CAB.
Reconnect the CAB connector.
Turn ignition on.
Slowly rotate the wheel while observing voltmeter reading.
Does the voltage change from approximately 1.6 volts to 0.8 volts as the wheel is
rotated?
Yes → Go To 16
→ Replace the Right Rear Wheel Speed Sensor.
No
16 If there are no potential causes remaining, replace the CAB.
View repair options.
Repair
17 Turn ignition off.
Visually inspect the related wiring harness. Look for any chafed, pierced, pinched, or
partially broken wires.
Visually inspect the related wire harness connectors. Look for broken, bent, pushed
out, or corroded terminals.
Refer to any Hotline letters or Technical Service Bulletins that may apply.
Were any problems found?
Yes → Test Complete.
→ Test Complete.
No
ACTION
Perform ABS VERIFICATION TEST.
Perform ABS VERIFICATION TEST.
Replace the CAB.
Perform ABS VERIFICATION TEST.
Continued
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APPLICABILITY
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